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AP Physics 1 Basics
| Term | Definition |
|---|---|
| Mass | Symbol: m, SI Unit: kg |
| Length/displacement | Symbol: L or x, SI Unit: m |
| Time | Symbol: t, SI Unit: sec |
| Velocity | Symbol: v, SI Unit: m/s |
| Acceleration | Symbol: a, SI Unit: m/s² |
| Force | Symbol: F, SI Unit: kg·m/s², “Dead Scientists Society”: Newton (N) |
| Kinetic energy | Symbol: K, SI Unit: kg·m²/s², “Dead Scientists Society”: Joule (J) |
| Potential energy | Symbol: U, SI Unit: kg·m²/s², “Dead Scientists Society”: Joule (J) |
| Torque | Symbol: τ, SI Unit: N·m |
| Work | Symbol: W, SI Unit: N·m, “Dead Scientists Society”: Joule (J) |
| Momentum | Symbol: p, SI Unit: kg·m/s |
| Power | Symbol: P, SI Unit: J/s, “Dead Scientists Society”: Watt (W) |
| Spring constant | Symbol: k, SI Unit: N/m |
| Average velocity | v = (x_f − x_i) / Δt |
| Average acceleration | a = (v_f − v_0) / t |
| Kinematics equation (no x) | v_f = v_i + at |
| Kinematics equation (no a) | Δx = ½ (v_f + v_0)t |
| Kinematics equation (no t) | 2aΔx = v_f² − v_0² |
| Kinematics equation (no v_f) | Δx = v_0t + ½at² |
| Newton’s second law | ΣF = ma |
| Frictional force in terms of the normal force | F_f = μF_N |
| Torque | τ = F·d |
| Linear momentum | p = mv |
| Impulse (2 definitions) | I = Δp = F·Δt |
| Kinetic energy | K = ½mv² |
| Potential energy due to gravity near Earth’s surface | U_g = mgh |
| Work (2) | W = Fd cosθ and W_net = KE_f − KE_i |
| Mechanical Power (2) | P = W/Δt ; P = F·v |
| Potential energy due to a spring | U_s = ½k(Δx)² |
| Law of gravity | F_g = GM₁M₂ / r² |
| Centripetal acceleration | a_c = v² / r |
| Weight (near Earth’s surface) | F = mg |
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